Town Topic has two Crossroads locations to choose from! 2021 Broadway and 1900 Baltimore. In 1937 Claude Sparks opened a little white diner at 2442 1/2 Broadway in downtown Kansas City and began selling hamburgers for 5 cents each. 75 years later Town Topic Hamburgers has established itself as an iconic piece of Kansas City history. Come in and experience the great food and atmosphere that is the same today as it was back then at this authentic American diner. Our location that is Open 24 hours/7 days a week is in Downtown Kansas City in the Crossroads Arts District at 20th & Broadway.